Yū Hirose (広瀬 祐, Hirose Yū) is the father of Takumi Usui and the previous lover of Patricia Walker. He was working as a butler at Raven Castle for the Walker Family and later became Patricia's butler. He is only mentioned during the manga series and appears only in flashbacks. His whereabouts are currently unknown. But he made a cameo appearance at the wedding of his son.